| 1 | --- a/lib/kobject_uevent.c |
| 2 | +++ b/lib/kobject_uevent.c |
| 3 | @@ -49,6 +49,18 @@ static const char *kobject_actions[] = { |
| 4 | [KOBJ_OFFLINE] = "offline", |
| 5 | }; |
| 6 | |
| 7 | +u64 uevent_next_seqnum(void) |
| 8 | +{ |
| 9 | + u64 seq; |
| 10 | + |
| 11 | + spin_lock(&sequence_lock); |
| 12 | + seq = ++uevent_seqnum; |
| 13 | + spin_unlock(&sequence_lock); |
| 14 | + |
| 15 | + return seq; |
| 16 | +} |
| 17 | +EXPORT_SYMBOL_GPL(uevent_next_seqnum); |
| 18 | + |
| 19 | /** |
| 20 | * kobject_action_type - translate action string to numeric type |
| 21 | * |
| 22 | @@ -244,9 +256,7 @@ int kobject_uevent_env(struct kobject *k |
| 23 | kobj->state_remove_uevent_sent = 1; |
| 24 | |
| 25 | /* we will send an event, so request a new sequence number */ |
| 26 | - spin_lock(&sequence_lock); |
| 27 | - seq = ++uevent_seqnum; |
| 28 | - spin_unlock(&sequence_lock); |
| 29 | + seq = uevent_next_seqnum(); |
| 30 | retval = add_uevent_var(env, "SEQNUM=%llu", (unsigned long long)seq); |
| 31 | if (retval) |
| 32 | goto exit; |
| 33 | |
